Contacts of the strand formed by residues 2529 - 2535 (chain A) in PDB entry 2NQC
Residue contacts within the protein are
derived with the CSU software (Sobolev V., Sorokine A.,
Prilusky J., Abola E.E. and Edelman M. (1999) Automated
analysis of interatomic contacts in proteins.
Bioinformatics, 15, 327-332). A
short description of the analytical approach
is given at the end of the page.
Note:
Non-standard 3 letter residue
codes indicate a heterogroup. To identify
and analyse, use LPC software
Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC - hydrophobic-hydrophilic contact (destabilizing contact)
+/- - indicates presence/absence of a specific contacts
* - indicates residues forming contacts by their side chain
(including CA atoms)
Residues in contact with GLN2529 (chain A).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
401A GOL 3.9 7.4 - - - +
2527A LYS 4.0 0.8 + - - -
2528A VAL* 1.3 72.7 - - - +
2530A LEU* 1.3 64.2 + - - +
2531A ASP* 3.8 20.7 + - - +
2542A THR 3.7 0.5 - - - +
2543A TYR* 3.2 26.9 - - - +
2544A THR* 3.6 12.4 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU2530 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
401A GOL 3.4 37.3 + - - +
2520A VAL* 3.8 27.1 - - + +
2521A THR* 4.8 0.7 - - - -
2522A ILE* 3.8 38.8 - - + +
2528A VAL* 4.5 5.6 - - + -
2529A GLN* 1.3 79.0 - - - +
2531A ASP* 1.3 66.6 + - - +
2541A VAL* 3.5 31.9 - - + -
2542A THR 3.5 5.2 - - - +
2543A TYR* 4.1 1.8 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with ASP2531 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
2529A GLN* 3.8 22.6 + - - +
2530A LEU* 1.3 79.9 - - - +
2532A CYS* 1.3 61.8 + - - +
2533A ARG 4.3 0.2 - - - -
2540A VAL 3.7 0.7 - - - +
2541A VAL* 3.2 7.3 - - - +
2542A THR* 2.8 48.0 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with CYS2532 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
101A NI 2.3 44.9 - - + -
201A IMD 3.4 13.7 - - + +
301A IMD 3.3 12.6 + - + +
2531A ASP* 1.3 77.6 - - - +
2533A ARG* 1.3 61.4 + - - +
2539A HIS* 3.4 20.9 - - - -
2540A VAL 3.3 5.8 - - - -
2541A VAL* 3.9 10.3 - - + -
----------------------------------------------------------
Back to top of page
Residues in contact with ARG2533 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
301A IMD 4.1 1.3 - - - -
2532A CYS* 1.3 74.7 - - - +
2534A GLU* 1.3 65.4 + - - +
2535A CYS* 3.4 27.9 + - - -
2540A VAL* 2.8 42.6 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with GLU2534 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
301A IMD 3.5 34.1 + - + +
2533A ARG* 1.3 74.8 + - - +
2535A CYS* 1.3 68.9 + - - +
2538A GLY* 3.8 5.2 - - - +
2539A HIS* 3.7 30.8 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with CYS2535 (chain A).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
2511A LEU* 5.6 2.3 - - - +
2533A ARG* 3.4 36.9 + - - -
2534A GLU* 1.3 78.2 - - - +
2536A PRO* 1.4 76.6 - - + +
2537A GLU* 3.4 20.2 - - + -
2538A GLY* 2.8 23.8 + - - +
2540A VAL* 4.0 12.6 - - + -
----------------------------------------------------------
Back to top of page
A short description of the
analytical approach
The contact analysis used in this page
is based upon the approach
developed in:
Sobolev V., Wade R.C., Vriend G.
and Edelman M. PROTEINS (1996)
25, 120-129.
Contact legitimacy depends on the hydrophobic-hydrophilic
properties of the contacting atoms. In order to
define it, for each inter-atomic contact,
eight atom classes have been introduced:
I Hydrophilic - N and O that can donate and accept hydrogen bonds
(e.g., oxygen of hydroxyl group of Ser. or Thr)
II Acceptor - N or O that can only accept a hydrogen bond
III Donor - N that can only donate a hydrogen bond
IV Hydrophobic - Cl, Br, I and all C atoms that are not in
aromatic rings and do not have a covalent bond to
a N or O atom
V Aromatic - C in aromatic rings irrespective of any other
bonds formed by the atom
VI Neutral - C atoms that have a covalent bond to at least one
atom of class I or two or more atoms from class II
or III; atoms; S, F, P, and metal atoms in all cases
VII Neutral-donor - C atoms that have a covalent bond with only one
atom of class III
VIII Neutral-acceptor - C atoms that have a covalent bond with only
one atom of class II
For each pair of contacts the state of legitimacy
is shown below:
Legend:
+, legitimate
-, illegitimate
------------------------------------------------------------
Atomic class I II III IV V VI VII VIII
------------------------------------------------------------
I (Hydrophilic) + + + - + + + +
II (Acceptor) + - + - + + + -
III (Donor) + + - - + + - +
IV (Hydrophobic) - - - + + + + +
V (Aromatic) + + + + + + + +
VI (Neutral) + + + + + + + +
VII (Neutral-donor) + + - + + + - +
VIII (Neutral-acceptor) + - + + + + + -
------------------------------------------------------------
Warning!
Atom classes for heterogroups are automatically
assigned based on the atomic coordinates. However, in
three cases (see below) the automatic assignment
is currently ambiguous. In these
cases, the user is advised to manually analyse
the full list of contacts using
LPC software.
1. Carbon atoms belonging to a 4-, 5- or 6-member ring are
considered "aromatic" (Class V) if the ring is approximately
planar, and "hydrophobic" (Class IV) or "neutral" (Classes
VI, VII, VIII) if the ring is non-planar.
2. The oxygen atom of a carbonyl or hydroxy group is considered
"hydroxy" (Class I) if the CO bond is longer than 1.29 Å, and
"carbonyl" (Class II) if shorter.
3. All nitrogen atoms are considered "hydrophilic" (Class I).
Please E-mail any
questions and/or suggestions concerning this page to
Vladimir.Sobolev@weizmann.ac.il